php 使用phpqrcode类生成二维码

<?php
include "phpqrcode.php";
$value="http://www.test.com";
$errorCorrectionLevel = "L";
$matrixPointSize = "4";
QRcode::png($value, false, $errorCorrectionLevel, $matrixPointSize);
exit;
?>

<?php

include('phpqrcode.php');

$value = 'http://www.test.con';  //二维码链接

$filename = 'test.png';  //二维码图片文件名

$errorCorrectionLevel = 'L'; // 纠错级别：L、M、Q、H

$matrixPointSize = 4;

QRcode::png($value, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
?>